參數(shù)資料
型號(hào)： X24F128S
英文描述： 600V 2A 4-PIN SIP .15" LS
中文描述： 2線SerialFlash區(qū)塊可鎖定的商標(biāo)保護(hù)
文件頁(yè)數(shù)： 1/16頁(yè)
文件大?。?/td> 80K
代理商： X24F128S
2-Wire SerialFlash with Block Lock
TM
Protection
128K
16K x 8 Bit
7012-0.8 11/25/96 T1/C0/D0 SH
Xicor, 1995, 1996 Patents Pending
Characteristics subject to change without notice
1
X24F128
FUNCTIONAL DIAGRAM
FEATURES
Save Critical Data With Programmable
Block Lock Protection
—Block Lock (0, 1/4, 1/2, or all of E
—Software Program Protection
—Programmable Hardware Program Protect
In Circuit Programmable ROM Mode
Longer Battery Life With Lower Power
—Active Read Current Less Than 1mA
—Active Program Current Less Than 3mA
—Standby Current Less Than 1
1.8V to 3.6V or 5V “Univolt” Read and
Program Power Supply Versions
32 Word Sector Program Mode
—Minimizes Total Program Time Per Word
100KHz 2-Wire Serial Interface
Internally Organized 16K x 8
Bidirectional Data Transfer Protocol
Self-Timed Program Cycle
—Typical Program Cycle Time of 5ms
High Reliability
—Endurance: 100,000 Cycles
—Data Retention: 100 Years
8-Lead DIP
16-Lead SOIC
2
PROM Array)
μ
A
DESCRIPTION
The X24F128 is a CMOS SerialFlash Memory, inter-
nally organized 16K x 8. The device features a serial
interface and software protocol allowing operation on a
simple two wire bus.
Three device select inputs (S
devices to share a common two wire bus.
0
–S
2
) allow up to eight
A Program Protect Register at the address location
FFFFh provides three program protection features:
Software Program Protect, Block Lock Protect, and
Hardware Program Protect. The Software Program
Protect feature prevents any nonvolatile writes to the
device until the PEL bit in the Program Protect
Register is set. The Block Lock Protection feature
allows the user to individually block protect four blocks
of the array by programming two bits in the Program
Protect Register. The Programmable Hardware
Program Protect feature allows the user to install the
device with PP tied to V
CC
, program the entire memory
array in circuit, and then enable the hardware program
protection by programming a PPEN bit in the Program
Protect Register. After this, selected blocks of the
array, including the Program Protect Register itself, are
permanently protected from being erased.
SCL
SERIALFLASH DATA
AND ADDRESS (SDA)
PP
PROGRAM VOLTAGE
CONTROL
SERIALFLASH
ARRAY
16K x 8
S1
S0
S2
4K x 8
4K x 8
8K x 8
COMMAND
DECODE
AND
CONTROL
LOGIC
SECTOR
DECODE
LOGIC
DEVICE
SELECT
LOGIC
PROGRAM
PROTECT
REGISTER
BLOCK LOCK AND
PROGRAM PROTECT
CONTROL LOGIC
Y DECODE LOGIC
DATA REGISTER
7012 ILL F01.4
A
PPLICATION
N
OTE
A V A I L A B L E
AN84
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
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X24F128S-5 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:2-Wire SerialFlash with Block Lock TM Protection
X24F128SE 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:2-Wire SerialFlash with Block Lock TM Protection
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X24M000000L331 制造商:AEL CRYSTALS 功能描述:CRYSTAL 24.000000MHZ
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